What is the layer of the Earth that is made up of water?
Hydrosphere.
What type of water do you find in oceans and seas?
Salt water.
What type of water do you find in rivers, lakes, and snow?
Fresh water.
How many stages does the water cycle have?
Four.
In what stage of the water cycle does the sun heat water in water vapor?
Evaporation.
In what stage of the water cycle does water vapor form clouds?
Condensation.
In what stage of the water cycle does water fall to earth?
Precipitation.
In what stage of the water cycle does water in rivers go into the sea?
Collection.
What is the area of a river that contains flowing water?
Channel.
What is the amount of water a river carries?
Flow.
What is the route a river takes?
Course.
In which course does a river start?
Upper course.
In which course does the river flow slow down?
Middle course.
In which course does a river near its mouth (end)?
Lower course.
What is one reason why rivers are different?
Relief OR flow.
What is an area of land that is drained by a river and its tributaries?
River basin.
